Subprocess is one of simplest way of running linux command from within python code
Example:
if you want to run fastqc for QC of fastq file:
from subprocess import Popen,PIPE,call
p=Popen(["fastqc","-f","fastq","-o", "/home/name/result/","/dev/stdin"],stdin=fopen("read.fastq","r") ,stdout=PIPE,stderr=PIPE)
print p.stderr
p.stdout.close()
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